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Stability analysis and stabilisation of an amplifier with nonlinearity compensation

Stability analysis and stabilisation of an amplifier with nonlinearity compensation

Wu, Ruiheng and Ali, M. Tanseer (2017) Stability analysis and stabilisation of an amplifier with nonlinearity compensation. International Journal of Electronics. ISSN 0020-7217 (Print), 1362-3060 (Online) (doi:https://doi.org/10.1080/21681724.2017.1326171)

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Abstract

The rapid development of wireless communication system has led to pressing need for highly linear amplifier design and implementation as amplifier is one of the most critical devices in transmit and receive chain. In recent years, a number of new and emerging amplifier linearization techniques using special distortion correction have been receiving more and more attention due to their significant advantages. One of the techniques is the negative impedance compensation. The design results showed that high gain, good linearity and wider bandwidth can be achieved by using the novel compensation method. However, as some kind of feedback can be introduced when applying the negative impedance compensation, the stability of the whole system should be investigated carefully. In this paper, stability analysis and stabilization have been performed for the amplifier with negative impedance compensation. The simulation results showed that stable circuit behaviour can be achieved by using the capacitive compensation in the negative impedance circuit.

Item Type: Article
Uncontrolled Keywords: Amplifier; Linearization; Negative impedance compensation; Stability; Stabilization
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Biomedical Engineering Research Theme
Faculty of Engineering & Science > Department of Engineering Science
Related URLs:
Last Modified: 22 May 2018 00:38
Selected for GREAT 2016: None
Selected for GREAT 2017: GREAT a
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/17090

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